#include "c.h"
#include "utils/elog.h"
#include "utils/palloc.h"

Include dependency graph for postgres.h:

Data Structures
struct	varatt_external

struct	varatt_indirect

struct	varatt_expanded

union	varattrib_4b

struct	varattrib_1b

struct	varattrib_1b_e

struct	NullableDatum

Macros
#define	VARLENA_EXTSIZE_BITS 30

#define	VARLENA_EXTSIZE_MASK ((1U << VARLENA_EXTSIZE_BITS) - 1)

#define	VARTAG_IS_EXPANDED(tag) (((tag) & ~1) == VARTAG_EXPANDED_RO)

#define	VARTAG_SIZE(tag)

#define	VARATT_IS_4B(PTR) ((((varattrib_1b *) (PTR))->va_header & 0x01) == 0x00)

#define	VARATT_IS_4B_U(PTR) ((((varattrib_1b *) (PTR))->va_header & 0x03) == 0x00)

#define	VARATT_IS_4B_C(PTR) ((((varattrib_1b *) (PTR))->va_header & 0x03) == 0x02)

#define	VARATT_IS_1B(PTR) ((((varattrib_1b *) (PTR))->va_header & 0x01) == 0x01)

#define	VARATT_IS_1B_E(PTR) ((((varattrib_1b *) (PTR))->va_header) == 0x01)

#define	VARATT_NOT_PAD_BYTE(PTR) (((uint8 ) (PTR)) != 0)

#define	VARSIZE_4B(PTR) ((((varattrib_4b *) (PTR))->va_4byte.va_header >> 2) & 0x3FFFFFFF)

#define	VARSIZE_1B(PTR) ((((varattrib_1b *) (PTR))->va_header >> 1) & 0x7F)

#define	VARTAG_1B_E(PTR) (((varattrib_1b_e *) (PTR))->va_tag)

#define	SET_VARSIZE_4B(PTR, len) (((varattrib_4b *) (PTR))->va_4byte.va_header = (((uint32) (len)) << 2))

#define	SET_VARSIZE_4B_C(PTR, len) (((varattrib_4b *) (PTR))->va_4byte.va_header = (((uint32) (len)) << 2) \| 0x02)

#define	SET_VARSIZE_1B(PTR, len) (((varattrib_1b *) (PTR))->va_header = (((uint8) (len)) << 1) \| 0x01)

#define	SET_VARTAG_1B_E(PTR, tag)

#define	VARDATA_4B(PTR) (((varattrib_4b *) (PTR))->va_4byte.va_data)

#define	VARDATA_4B_C(PTR) (((varattrib_4b *) (PTR))->va_compressed.va_data)

#define	VARDATA_1B(PTR) (((varattrib_1b *) (PTR))->va_data)

#define	VARDATA_1B_E(PTR) (((varattrib_1b_e *) (PTR))->va_data)

#define	VARHDRSZ_EXTERNAL offsetof(varattrib_1b_e, va_data)

#define	VARHDRSZ_COMPRESSED offsetof(varattrib_4b, va_compressed.va_data)

#define	VARHDRSZ_SHORT offsetof(varattrib_1b, va_data)

#define	VARATT_SHORT_MAX 0x7F

#define	VARATT_CAN_MAKE_SHORT(PTR)

#define	VARATT_CONVERTED_SHORT_SIZE(PTR) (VARSIZE(PTR) - VARHDRSZ + VARHDRSZ_SHORT)

#define	VARDATA(PTR) VARDATA_4B(PTR)

#define	VARSIZE(PTR) VARSIZE_4B(PTR)

#define	VARSIZE_SHORT(PTR) VARSIZE_1B(PTR)

#define	VARDATA_SHORT(PTR) VARDATA_1B(PTR)

#define	VARTAG_EXTERNAL(PTR) VARTAG_1B_E(PTR)

#define	VARSIZE_EXTERNAL(PTR) (VARHDRSZ_EXTERNAL + VARTAG_SIZE(VARTAG_EXTERNAL(PTR)))

#define	VARDATA_EXTERNAL(PTR) VARDATA_1B_E(PTR)

#define	VARATT_IS_COMPRESSED(PTR) VARATT_IS_4B_C(PTR)

#define	VARATT_IS_EXTERNAL(PTR) VARATT_IS_1B_E(PTR)

#define	VARATT_IS_EXTERNAL_ONDISK(PTR) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_ONDISK)

#define	VARATT_IS_EXTERNAL_INDIRECT(PTR) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_INDIRECT)

#define	VARATT_IS_EXTERNAL_EXPANDED_RO(PTR) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_EXPANDED_RO)

#define	VARATT_IS_EXTERNAL_EXPANDED_RW(PTR) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_EXPANDED_RW)

#define	VARATT_IS_EXTERNAL_EXPANDED(PTR) (VARATT_IS_EXTERNAL(PTR) && VARTAG_IS_EXPANDED(VARTAG_EXTERNAL(PTR)))

#define	VARATT_IS_EXTERNAL_NON_EXPANDED(PTR) (VARATT_IS_EXTERNAL(PTR) && !VARTAG_IS_EXPANDED(VARTAG_EXTERNAL(PTR)))

#define	VARATT_IS_SHORT(PTR) VARATT_IS_1B(PTR)

#define	VARATT_IS_EXTENDED(PTR) (!VARATT_IS_4B_U(PTR))

#define	SET_VARSIZE(PTR, len) SET_VARSIZE_4B(PTR, len)

#define	SET_VARSIZE_SHORT(PTR, len) SET_VARSIZE_1B(PTR, len)

#define	SET_VARSIZE_COMPRESSED(PTR, len) SET_VARSIZE_4B_C(PTR, len)

#define	SET_VARTAG_EXTERNAL(PTR, tag) SET_VARTAG_1B_E(PTR, tag)

#define	VARSIZE_ANY(PTR)

#define	VARSIZE_ANY_EXHDR(PTR)

#define	VARDATA_ANY(PTR) (VARATT_IS_1B(PTR) ? VARDATA_1B(PTR) : VARDATA_4B(PTR))

#define	VARDATA_COMPRESSED_GET_EXTSIZE(PTR) (((varattrib_4b *) (PTR))->va_compressed.va_tcinfo & VARLENA_EXTSIZE_MASK)

#define	VARDATA_COMPRESSED_GET_COMPRESS_METHOD(PTR) (((varattrib_4b *) (PTR))->va_compressed.va_tcinfo >> VARLENA_EXTSIZE_BITS)

#define	VARATT_EXTERNAL_GET_EXTSIZE(toast_pointer) ((toast_pointer).va_extinfo & VARLENA_EXTSIZE_MASK)

#define	VARATT_EXTERNAL_GET_COMPRESS_METHOD(toast_pointer) ((toast_pointer).va_extinfo >> VARLENA_EXTSIZE_BITS)

#define	VARATT_EXTERNAL_SET_SIZE_AND_COMPRESS_METHOD(toast_pointer, len, cm)

#define	VARATT_EXTERNAL_IS_COMPRESSED(toast_pointer)

#define	FIELDNO_NULLABLE_DATUM_DATUM 0

#define	FIELDNO_NULLABLE_DATUM_ISNULL 1

#define	SIZEOF_DATUM SIZEOF_VOID_P

#define	DatumGetBool(X) ((bool) ((X) != 0))

#define	BoolGetDatum(X) ((Datum) ((X) ? 1 : 0))

#define	DatumGetChar(X) ((char) (X))

#define	CharGetDatum(X) ((Datum) (X))

#define	Int8GetDatum(X) ((Datum) (X))

#define	DatumGetUInt8(X) ((uint8) (X))

#define	UInt8GetDatum(X) ((Datum) (X))

#define	DatumGetInt16(X) ((int16) (X))

#define	Int16GetDatum(X) ((Datum) (X))

#define	DatumGetUInt16(X) ((uint16) (X))

#define	UInt16GetDatum(X) ((Datum) (X))

#define	DatumGetInt32(X) ((int32) (X))

#define	Int32GetDatum(X) ((Datum) (X))

#define	DatumGetUInt32(X) ((uint32) (X))

#define	UInt32GetDatum(X) ((Datum) (X))

#define	DatumGetObjectId(X) ((Oid) (X))

#define	ObjectIdGetDatum(X) ((Datum) (X))

#define	DatumGetTransactionId(X) ((TransactionId) (X))

#define	TransactionIdGetDatum(X) ((Datum) (X))

#define	MultiXactIdGetDatum(X) ((Datum) (X))

#define	DatumGetCommandId(X) ((CommandId) (X))

#define	CommandIdGetDatum(X) ((Datum) (X))

#define	DatumGetPointer(X) ((Pointer) (X))

#define	PointerGetDatum(X) ((Datum) (X))

#define	DatumGetCString(X) ((char *) DatumGetPointer(X))

#define	CStringGetDatum(X) PointerGetDatum(X)

#define	DatumGetName(X) ((Name) DatumGetPointer(X))

#define	NameGetDatum(X) CStringGetDatum(NameStr(*(X)))

#define	DatumGetInt64(X) (* ((int64 *) DatumGetPointer(X)))

#define	DatumGetUInt64(X) (* ((uint64 *) DatumGetPointer(X)))

#define	UInt64GetDatum(X) Int64GetDatum((int64) (X))

#define	DatumGetFloat8(X) (* ((float8 *) DatumGetPointer(X)))

#define	Int64GetDatumFast(X) PointerGetDatum(&(X))

#define	Float8GetDatumFast(X) PointerGetDatum(&(X))

Typedefs
typedef struct varatt_external	varatt_external

typedef struct varatt_indirect	varatt_indirect

typedef struct ExpandedObjectHeader	ExpandedObjectHeader

typedef struct varatt_expanded	varatt_expanded

typedef enum vartag_external	vartag_external

typedef uintptr_t	Datum

typedef struct NullableDatum	NullableDatum

Enumerations
enum	vartag_external { VARTAG_INDIRECT = 1 , VARTAG_EXPANDED_RO = 2 , VARTAG_EXPANDED_RW = 3 , VARTAG_ONDISK = 18 }

Functions
Datum	Int64GetDatum (int64 X)

static float4	DatumGetFloat4 (Datum X)

static Datum	Float4GetDatum (float4 X)

Datum	Float8GetDatum (float8 X)

Macro Definition Documentation

◆ BoolGetDatum

#define BoolGetDatum ( X ) ((Datum) ((X) ? 1 : 0))

Definition at line 446 of file postgres.h.

◆ CharGetDatum

#define CharGetDatum ( X ) ((Datum) (X))

Definition at line 460 of file postgres.h.

◆ CommandIdGetDatum

#define CommandIdGetDatum ( X ) ((Datum) (X))

Definition at line 586 of file postgres.h.

◆ CStringGetDatum

#define CStringGetDatum ( X ) PointerGetDatum(X)

Definition at line 622 of file postgres.h.

◆ DatumGetBool

#define DatumGetBool ( X ) ((bool) ((X) != 0))

Definition at line 437 of file postgres.h.

◆ DatumGetChar

#define DatumGetChar ( X ) ((char) (X))

Definition at line 453 of file postgres.h.

◆ DatumGetCommandId

#define DatumGetCommandId ( X ) ((CommandId) (X))

Definition at line 579 of file postgres.h.

◆ DatumGetCString

#define DatumGetCString ( X ) ((char *) DatumGetPointer(X))

Definition at line 610 of file postgres.h.

◆ DatumGetFloat8

#define DatumGetFloat8 ( X ) (* ((float8 *) DatumGetPointer(X)))

Definition at line 758 of file postgres.h.

◆ DatumGetInt16

#define DatumGetInt16 ( X ) ((int16) (X))

Definition at line 488 of file postgres.h.

◆ DatumGetInt32

#define DatumGetInt32 ( X ) ((int32) (X))

Definition at line 516 of file postgres.h.

◆ DatumGetInt64

#define DatumGetInt64 ( X ) (* ((int64 *) DatumGetPointer(X)))

Definition at line 651 of file postgres.h.

◆ DatumGetName

#define DatumGetName ( X ) ((Name) DatumGetPointer(X))

Definition at line 629 of file postgres.h.

◆ DatumGetObjectId

#define DatumGetObjectId ( X ) ((Oid) (X))

Definition at line 544 of file postgres.h.

◆ DatumGetPointer

#define DatumGetPointer ( X ) ((Pointer) (X))

Definition at line 593 of file postgres.h.

◆ DatumGetTransactionId

#define DatumGetTransactionId ( X ) ((TransactionId) (X))

Definition at line 558 of file postgres.h.

◆ DatumGetUInt16

#define DatumGetUInt16 ( X ) ((uint16) (X))

Definition at line 502 of file postgres.h.

◆ DatumGetUInt32

#define DatumGetUInt32 ( X ) ((uint32) (X))

Definition at line 530 of file postgres.h.

◆ DatumGetUInt64

#define DatumGetUInt64 ( X ) (* ((uint64 *) DatumGetPointer(X)))

Definition at line 678 of file postgres.h.

◆ DatumGetUInt8

#define DatumGetUInt8 ( X ) ((uint8) (X))

Definition at line 474 of file postgres.h.

◆ FIELDNO_NULLABLE_DATUM_DATUM

#define FIELDNO_NULLABLE_DATUM_DATUM 0

Definition at line 421 of file postgres.h.

◆ FIELDNO_NULLABLE_DATUM_ISNULL

#define FIELDNO_NULLABLE_DATUM_ISNULL 1

Definition at line 423 of file postgres.h.

◆ Float8GetDatumFast

#define Float8GetDatumFast ( X ) PointerGetDatum(&(X))

Definition at line 805 of file postgres.h.

◆ Int16GetDatum

#define Int16GetDatum ( X ) ((Datum) (X))

Definition at line 495 of file postgres.h.

◆ Int32GetDatum

#define Int32GetDatum ( X ) ((Datum) (X))

Definition at line 523 of file postgres.h.

◆ Int64GetDatumFast

#define Int64GetDatumFast ( X ) PointerGetDatum(&(X))

Definition at line 804 of file postgres.h.

◆ Int8GetDatum

#define Int8GetDatum ( X ) ((Datum) (X))

Definition at line 467 of file postgres.h.

◆ MultiXactIdGetDatum

#define MultiXactIdGetDatum ( X ) ((Datum) (X))

Definition at line 572 of file postgres.h.

◆ NameGetDatum

#define NameGetDatum ( X ) CStringGetDatum(NameStr(*(X)))

Definition at line 639 of file postgres.h.

◆ ObjectIdGetDatum

#define ObjectIdGetDatum ( X ) ((Datum) (X))

Definition at line 551 of file postgres.h.

◆ PointerGetDatum

#define PointerGetDatum ( X ) ((Datum) (X))

Definition at line 600 of file postgres.h.

◆ SET_VARSIZE

#define SET_VARSIZE	(	PTR,
		len
	)	SET_VARSIZE_4B(PTR, len)

Definition at line 342 of file postgres.h.

◆ SET_VARSIZE_1B

#define SET_VARSIZE_1B	(	PTR,
		len
	)	(((varattrib_1b *) (PTR))->va_header = (((uint8) (len)) << 1) \| 0x01)

Definition at line 273 of file postgres.h.

◆ SET_VARSIZE_4B

#define SET_VARSIZE_4B	(	PTR,
		len
	)	(((varattrib_4b *) (PTR))->va_4byte.va_header = (((uint32) (len)) << 2))

Definition at line 269 of file postgres.h.

◆ SET_VARSIZE_4B_C

#define SET_VARSIZE_4B_C	(	PTR,
		len
	)	(((varattrib_4b *) (PTR))->va_4byte.va_header = (((uint32) (len)) << 2) \| 0x02)

Definition at line 271 of file postgres.h.

◆ SET_VARSIZE_COMPRESSED

#define SET_VARSIZE_COMPRESSED	(	PTR,
		len
	)	SET_VARSIZE_4B_C(PTR, len)

Definition at line 344 of file postgres.h.

◆ SET_VARSIZE_SHORT

#define SET_VARSIZE_SHORT	(	PTR,
		len
	)	SET_VARSIZE_1B(PTR, len)

Definition at line 343 of file postgres.h.

◆ SET_VARTAG_1B_E

#define SET_VARTAG_1B_E	(	PTR,
		tag
	)

Value:

(((varattrib_1b_e *) (PTR))->va_header = 0x01, \

((varattrib_1b_e *) (PTR))->va_tag = (tag))

varattrib_1b_e

Definition: postgres.h:172

Definition at line 275 of file postgres.h.

◆ SET_VARTAG_EXTERNAL

#define SET_VARTAG_EXTERNAL	(	PTR,
		tag
	)	SET_VARTAG_1B_E(PTR, tag)

Definition at line 346 of file postgres.h.

◆ SIZEOF_DATUM

#define SIZEOF_DATUM SIZEOF_VOID_P

Definition at line 428 of file postgres.h.

◆ TransactionIdGetDatum

#define TransactionIdGetDatum ( X ) ((Datum) (X))

Definition at line 565 of file postgres.h.

◆ UInt16GetDatum

#define UInt16GetDatum ( X ) ((Datum) (X))

Definition at line 509 of file postgres.h.

◆ UInt32GetDatum

#define UInt32GetDatum ( X ) ((Datum) (X))

Definition at line 537 of file postgres.h.

◆ UInt64GetDatum

#define UInt64GetDatum ( X ) Int64GetDatum((int64) (X))

Definition at line 692 of file postgres.h.

◆ UInt8GetDatum

#define UInt8GetDatum ( X ) ((Datum) (X))

Definition at line 481 of file postgres.h.

◆ VARATT_CAN_MAKE_SHORT

#define VARATT_CAN_MAKE_SHORT ( PTR )

Value:

(VARATT_IS_4B_U(PTR) && \

(VARSIZE(PTR) - VARHDRSZ + VARHDRSZ_SHORT) <= VARATT_SHORT_MAX)

VARHDRSZ

#define VARHDRSZ

Definition: c.h:627

VARHDRSZ_SHORT

#define VARHDRSZ_SHORT

Definition: postgres.h:292

VARATT_IS_4B_U

#define VARATT_IS_4B_U(PTR)

Definition: postgres.h:250

VARSIZE

#define VARSIZE(PTR)

Definition: postgres.h:316

VARATT_SHORT_MAX

#define VARATT_SHORT_MAX

Definition: postgres.h:294

Definition at line 295 of file postgres.h.

◆ VARATT_CONVERTED_SHORT_SIZE

#define VARATT_CONVERTED_SHORT_SIZE ( PTR ) (VARSIZE(PTR) - VARHDRSZ + VARHDRSZ_SHORT)

Definition at line 298 of file postgres.h.

◆ VARATT_EXTERNAL_GET_COMPRESS_METHOD

#define VARATT_EXTERNAL_GET_COMPRESS_METHOD ( toast_pointer ) ((toast_pointer).va_extinfo >> VARLENA_EXTSIZE_BITS)

Definition at line 373 of file postgres.h.

◆ VARATT_EXTERNAL_GET_EXTSIZE

#define VARATT_EXTERNAL_GET_EXTSIZE ( toast_pointer ) ((toast_pointer).va_extinfo & VARLENA_EXTSIZE_MASK)

Definition at line 371 of file postgres.h.

◆ VARATT_EXTERNAL_IS_COMPRESSED

#define VARATT_EXTERNAL_IS_COMPRESSED ( toast_pointer )

Value:

(VARATT_EXTERNAL_GET_EXTSIZE(toast_pointer) < \

(toast_pointer).va_rawsize - VARHDRSZ)

VARATT_EXTERNAL_GET_EXTSIZE

#define VARATT_EXTERNAL_GET_EXTSIZE(toast_pointer)

Definition: postgres.h:371

Definition at line 391 of file postgres.h.

◆ VARATT_EXTERNAL_SET_SIZE_AND_COMPRESS_METHOD

#define VARATT_EXTERNAL_SET_SIZE_AND_COMPRESS_METHOD	(	toast_pointer,
		len,
		cm
	)

Value:

    do { \
        Assert((cm) == TOAST_PGLZ_COMPRESSION_ID || \
               (cm) == TOAST_LZ4_COMPRESSION_ID); \
        ((toast_pointer).va_extinfo = \
            (len) | ((uint32) (cm) << VARLENA_EXTSIZE_BITS)); \
    } while (0)

Definition at line 376 of file postgres.h.

◆ VARATT_IS_1B

#define VARATT_IS_1B ( PTR ) ((((varattrib_1b *) (PTR))->va_header & 0x01) == 0x01)

Definition at line 254 of file postgres.h.

◆ VARATT_IS_1B_E

#define VARATT_IS_1B_E ( PTR ) ((((varattrib_1b *) (PTR))->va_header) == 0x01)

Definition at line 256 of file postgres.h.

◆ VARATT_IS_4B

#define VARATT_IS_4B ( PTR ) ((((varattrib_1b *) (PTR))->va_header & 0x01) == 0x00)

Definition at line 248 of file postgres.h.

◆ VARATT_IS_4B_C

#define VARATT_IS_4B_C ( PTR ) ((((varattrib_1b *) (PTR))->va_header & 0x03) == 0x02)

Definition at line 252 of file postgres.h.

◆ VARATT_IS_4B_U

#define VARATT_IS_4B_U ( PTR ) ((((varattrib_1b *) (PTR))->va_header & 0x03) == 0x00)

Definition at line 250 of file postgres.h.

◆ VARATT_IS_COMPRESSED

#define VARATT_IS_COMPRESSED ( PTR ) VARATT_IS_4B_C(PTR)

Definition at line 325 of file postgres.h.

◆ VARATT_IS_EXTENDED

#define VARATT_IS_EXTENDED ( PTR ) (!VARATT_IS_4B_U(PTR))

Definition at line 340 of file postgres.h.

◆ VARATT_IS_EXTERNAL

#define VARATT_IS_EXTERNAL ( PTR ) VARATT_IS_1B_E(PTR)

Definition at line 326 of file postgres.h.

◆ VARATT_IS_EXTERNAL_EXPANDED

#define VARATT_IS_EXTERNAL_EXPANDED ( PTR ) (VARATT_IS_EXTERNAL(PTR) && VARTAG_IS_EXPANDED(VARTAG_EXTERNAL(PTR)))

Definition at line 335 of file postgres.h.

◆ VARATT_IS_EXTERNAL_EXPANDED_RO

#define VARATT_IS_EXTERNAL_EXPANDED_RO ( PTR ) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_EXPANDED_RO)

Definition at line 331 of file postgres.h.

◆ VARATT_IS_EXTERNAL_EXPANDED_RW

#define VARATT_IS_EXTERNAL_EXPANDED_RW ( PTR ) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_EXPANDED_RW)

Definition at line 333 of file postgres.h.

◆ VARATT_IS_EXTERNAL_INDIRECT

#define VARATT_IS_EXTERNAL_INDIRECT ( PTR ) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_INDIRECT)

Definition at line 329 of file postgres.h.

◆ VARATT_IS_EXTERNAL_NON_EXPANDED

#define VARATT_IS_EXTERNAL_NON_EXPANDED ( PTR ) (VARATT_IS_EXTERNAL(PTR) && !VARTAG_IS_EXPANDED(VARTAG_EXTERNAL(PTR)))

Definition at line 337 of file postgres.h.

◆ VARATT_IS_EXTERNAL_ONDISK

#define VARATT_IS_EXTERNAL_ONDISK ( PTR ) (VARATT_IS_EXTERNAL(PTR) && VARTAG_EXTERNAL(PTR) == VARTAG_ONDISK)

Definition at line 327 of file postgres.h.

◆ VARATT_IS_SHORT

#define VARATT_IS_SHORT ( PTR ) VARATT_IS_1B(PTR)

Definition at line 339 of file postgres.h.

◆ VARATT_NOT_PAD_BYTE

#define VARATT_NOT_PAD_BYTE ( PTR ) (*((uint8 *) (PTR)) != 0)

Definition at line 258 of file postgres.h.

◆ VARATT_SHORT_MAX

#define VARATT_SHORT_MAX 0x7F

Definition at line 294 of file postgres.h.

◆ VARDATA

#define VARDATA ( PTR ) VARDATA_4B(PTR)

Definition at line 315 of file postgres.h.

◆ VARDATA_1B

#define VARDATA_1B ( PTR ) (((varattrib_1b *) (PTR))->va_data)

Definition at line 283 of file postgres.h.

◆ VARDATA_1B_E

#define VARDATA_1B_E ( PTR ) (((varattrib_1b_e *) (PTR))->va_data)

Definition at line 284 of file postgres.h.

◆ VARDATA_4B

#define VARDATA_4B ( PTR ) (((varattrib_4b *) (PTR))->va_4byte.va_data)

Definition at line 281 of file postgres.h.

◆ VARDATA_4B_C

#define VARDATA_4B_C ( PTR ) (((varattrib_4b *) (PTR))->va_compressed.va_data)

Definition at line 282 of file postgres.h.

◆ VARDATA_ANY

#define VARDATA_ANY ( PTR ) (VARATT_IS_1B(PTR) ? VARDATA_1B(PTR) : VARDATA_4B(PTR))

Definition at line 361 of file postgres.h.

◆ VARDATA_COMPRESSED_GET_COMPRESS_METHOD

#define VARDATA_COMPRESSED_GET_COMPRESS_METHOD ( PTR ) (((varattrib_4b *) (PTR))->va_compressed.va_tcinfo >> VARLENA_EXTSIZE_BITS)

Definition at line 367 of file postgres.h.

◆ VARDATA_COMPRESSED_GET_EXTSIZE

#define VARDATA_COMPRESSED_GET_EXTSIZE ( PTR ) (((varattrib_4b *) (PTR))->va_compressed.va_tcinfo & VARLENA_EXTSIZE_MASK)

Definition at line 365 of file postgres.h.

◆ VARDATA_EXTERNAL

#define VARDATA_EXTERNAL ( PTR ) VARDATA_1B_E(PTR)

Definition at line 323 of file postgres.h.

◆ VARDATA_SHORT

#define VARDATA_SHORT ( PTR ) VARDATA_1B(PTR)

Definition at line 319 of file postgres.h.

◆ VARHDRSZ_COMPRESSED

#define VARHDRSZ_COMPRESSED offsetof(varattrib_4b, va_compressed.va_data)

Definition at line 291 of file postgres.h.

◆ VARHDRSZ_EXTERNAL

#define VARHDRSZ_EXTERNAL offsetof(varattrib_1b_e, va_data)

Definition at line 290 of file postgres.h.

◆ VARHDRSZ_SHORT

#define VARHDRSZ_SHORT offsetof(varattrib_1b, va_data)

Definition at line 292 of file postgres.h.

◆ VARLENA_EXTSIZE_BITS

#define VARLENA_EXTSIZE_BITS 30

Definition at line 82 of file postgres.h.

◆ VARLENA_EXTSIZE_MASK

#define VARLENA_EXTSIZE_MASK ((1U << VARLENA_EXTSIZE_BITS) - 1)

Definition at line 83 of file postgres.h.

◆ VARSIZE

#define VARSIZE ( PTR ) VARSIZE_4B(PTR)

Definition at line 316 of file postgres.h.

◆ VARSIZE_1B

#define VARSIZE_1B ( PTR ) ((((varattrib_1b *) (PTR))->va_header >> 1) & 0x7F)

Definition at line 264 of file postgres.h.

◆ VARSIZE_4B

#define VARSIZE_4B ( PTR ) ((((varattrib_4b *) (PTR))->va_4byte.va_header >> 2) & 0x3FFFFFFF)

Definition at line 262 of file postgres.h.

◆ VARSIZE_ANY

#define VARSIZE_ANY ( PTR )

Value:

    (VARATT_IS_1B_E(PTR) ? VARSIZE_EXTERNAL(PTR) : \
     (VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR) : \
      VARSIZE_4B(PTR)))

Definition at line 348 of file postgres.h.

◆ VARSIZE_ANY_EXHDR

#define VARSIZE_ANY_EXHDR ( PTR )

Value:

    (VARATT_IS_1B_E(PTR) ? VARSIZE_EXTERNAL(PTR)-VARHDRSZ_EXTERNAL : \
     (VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR)-VARHDRSZ_SHORT : \
      VARSIZE_4B(PTR)-VARHDRSZ))

Definition at line 354 of file postgres.h.

◆ VARSIZE_EXTERNAL

#define VARSIZE_EXTERNAL ( PTR ) (VARHDRSZ_EXTERNAL + VARTAG_SIZE(VARTAG_EXTERNAL(PTR)))

Definition at line 322 of file postgres.h.

◆ VARSIZE_SHORT

#define VARSIZE_SHORT ( PTR ) VARSIZE_1B(PTR)

Definition at line 318 of file postgres.h.

◆ VARTAG_1B_E

#define VARTAG_1B_E ( PTR ) (((varattrib_1b_e *) (PTR))->va_tag)

Definition at line 266 of file postgres.h.

◆ VARTAG_EXTERNAL

#define VARTAG_EXTERNAL ( PTR ) VARTAG_1B_E(PTR)

Definition at line 321 of file postgres.h.

◆ VARTAG_IS_EXPANDED

#define VARTAG_IS_EXPANDED ( tag ) (((tag) & ~1) == VARTAG_EXPANDED_RO)

Definition at line 130 of file postgres.h.

◆ VARTAG_SIZE

#define VARTAG_SIZE ( tag )

Value:

    ((tag) == VARTAG_INDIRECT ? sizeof(varatt_indirect) : \
     VARTAG_IS_EXPANDED(tag) ? sizeof(varatt_expanded) : \
     (tag) == VARTAG_ONDISK ? sizeof(varatt_external) : \
     TrapMacro(true, "unrecognized TOAST vartag"))

Definition at line 133 of file postgres.h.

Typedef Documentation

◆ Datum

typedef uintptr_t Datum

Definition at line 411 of file postgres.h.

◆ ExpandedObjectHeader

typedef struct ExpandedObjectHeader ExpandedObjectHeader

Definition at line 1 of file postgres.h.

◆ NullableDatum

typedef struct NullableDatum NullableDatum

◆ varatt_expanded

typedef struct varatt_expanded varatt_expanded

◆ varatt_external

typedef struct varatt_external varatt_external

◆ varatt_indirect

typedef struct varatt_indirect varatt_indirect

◆ vartag_external

typedef enum vartag_external vartag_external

Enumeration Type Documentation

◆ vartag_external

enum vartag_external

Enumerator
VARTAG_INDIRECT
VARTAG_EXPANDED_RO
VARTAG_EXPANDED_RW
VARTAG_ONDISK

Definition at line 121 of file postgres.h.

 {
     VARTAG_INDIRECT = 1,
     VARTAG_EXPANDED_RO = 2,
     VARTAG_EXPANDED_RW = 3,
     VARTAG_ONDISK = 18
 } vartag_external;

Function Documentation

◆ DatumGetFloat4()

static float4 DatumGetFloat4 ( Datum X )

inlinestatic

Definition at line 708 of file postgres.h.

 {
     union
     {
         int32       value;
         float4      retval;
     }           myunion;
  
     myunion.value = DatumGetInt32(X);
     return myunion.retval;
 }

References DatumGetInt32, and value.

Referenced by bernoulli_beginsamplescan(), bernoulli_samplescangetsamplesize(), btfloat4fastcmp(), convert_numeric_to_scalar(), gbt_num_compress(), PLyFloat_FromFloat4(), similarity_dist(), similarity_op(), system_beginsamplescan(), and system_samplescangetsamplesize().

◆ Float4GetDatum()

static Datum Float4GetDatum ( float4 X )

inlinestatic

Definition at line 725 of file postgres.h.

 {
     union
     {
         float4      value;
         int32       retval;
     }           myunion;
  
     myunion.value = X;
     return Int32GetDatum(myunion.retval);
 }

References Int32GetDatum, and value.

Referenced by AddEnumLabel(), EnumValuesCreate(), FillXLogStatsRow(), gbt_num_fetch(), index_store_float8_orderby_distances(), InsertPgClassTuple(), leftmostvalue_float4(), ProcedureCreate(), serialize_expr_stats(), set_limit(), and update_attstats().

◆ Float8GetDatum()

Datum Float8GetDatum ( float8 X )

Definition at line 1692 of file fmgr.c.

 {
     float8     *retval = (float8 *) palloc(sizeof(float8));
  
     *retval = X;
     return PointerGetDatum(retval);
 }

References palloc(), and PointerGetDatum.

Referenced by assign_random_seed(), compute_range_stats(), executeItemOptUnwrapTarget(), float8_lerp(), gbt_num_fetch(), hash_metapage_info(), index_store_float8_orderby_distances(), int8_to_char(), interval_avg(), leftmostvalue_float8(), normal_rand(), pg_stat_get_wal(), pg_stats_ext_mcvlist_items(), pgstathashindex(), pgstattuple_approx_internal(), spg_kd_picksplit(), and SV_to_JsonbValue().

◆ Int64GetDatum()

Datum Int64GetDatum ( int64 X )

Definition at line 1683 of file fmgr.c.

 {
     int64      *retval = (int64 *) palloc(sizeof(int64));
  
     *retval = X;
     return PointerGetDatum(retval);
 }

References palloc(), and PointerGetDatum.

Referenced by brin_metapage_info(), brin_page_items(), brin_summarize_new_values(), build_minmax_path(), DefineSequence(), delay_execution_planner(), ExecEvalNextValueExpr(), FillXLogStatsRow(), gbt_num_fetch(), generate_series_step_int8(), gin_metapage_info(), gin_page_opaque_info(), gist_page_opaque_info(), hash_array_extended(), hash_bitmap_info(), hash_metapage_info(), hash_page_items(), hash_page_stats(), hash_record_extended(), int4_cash(), int8_cash(), int8_to_char(), int8range_canonical(), leftmostvalue_int8(), leftmostvalue_money(), make_const(), perform_work_item(), pg_buffercache_pages(), pg_control_system(), pg_get_replication_slots(), pg_get_shmem_allocations(), pg_ls_dir_files(), pg_sequence_parameters(), pg_stat_file(), pg_stat_get_archiver(), pg_stat_get_progress_info(), pg_stat_get_recovery_prefetch(), pg_stat_get_replication_slot(), pg_stat_get_slru(), pg_stat_get_subscription_stats(), pg_stat_get_wal(), pg_stat_statements_info(), pg_visibility_map_rel(), pg_visibility_map_summary(), pg_visibility_rel(), pgstatginindex_internal(), pgstathashindex(), pgstattuple_approx_internal(), PutMemoryContextsStatsTupleStore(), ReadReplicationSlot(), report_corruption_internal(), rewriteSearchAndCycle(), StartReplication(), and validate_index_callback().

Data Structures

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ BoolGetDatum

◆ CharGetDatum

◆ CommandIdGetDatum

◆ CStringGetDatum

◆ DatumGetBool

◆ DatumGetChar

◆ DatumGetCommandId

◆ DatumGetCString

◆ DatumGetFloat8

◆ DatumGetInt16

◆ DatumGetInt32

◆ DatumGetInt64

◆ DatumGetName

◆ DatumGetObjectId

◆ DatumGetPointer

◆ DatumGetTransactionId

◆ DatumGetUInt16

◆ DatumGetUInt32

◆ DatumGetUInt64

◆ DatumGetUInt8

◆ FIELDNO_NULLABLE_DATUM_DATUM

◆ FIELDNO_NULLABLE_DATUM_ISNULL

◆ Float8GetDatumFast

◆ Int16GetDatum

◆ Int32GetDatum

◆ Int64GetDatumFast

◆ Int8GetDatum

◆ MultiXactIdGetDatum

◆ NameGetDatum

◆ ObjectIdGetDatum

◆ PointerGetDatum

◆ SET_VARSIZE

◆ SET_VARSIZE_1B

◆ SET_VARSIZE_4B

◆ SET_VARSIZE_4B_C

◆ SET_VARSIZE_COMPRESSED

◆ SET_VARSIZE_SHORT

◆ SET_VARTAG_1B_E

◆ SET_VARTAG_EXTERNAL

◆ SIZEOF_DATUM

◆ TransactionIdGetDatum

◆ UInt16GetDatum

◆ UInt32GetDatum

◆ UInt64GetDatum

◆ UInt8GetDatum

◆ VARATT_CAN_MAKE_SHORT

◆ VARATT_CONVERTED_SHORT_SIZE

◆ VARATT_EXTERNAL_GET_COMPRESS_METHOD

◆ VARATT_EXTERNAL_GET_EXTSIZE

◆ VARATT_EXTERNAL_IS_COMPRESSED

◆ VARATT_EXTERNAL_SET_SIZE_AND_COMPRESS_METHOD

◆ VARATT_IS_1B

◆ VARATT_IS_1B_E

◆ VARATT_IS_4B

◆ VARATT_IS_4B_C

◆ VARATT_IS_4B_U

◆ VARATT_IS_COMPRESSED

◆ VARATT_IS_EXTENDED

◆ VARATT_IS_EXTERNAL

◆ VARATT_IS_EXTERNAL_EXPANDED

◆ VARATT_IS_EXTERNAL_EXPANDED_RO

◆ VARATT_IS_EXTERNAL_EXPANDED_RW

◆ VARATT_IS_EXTERNAL_INDIRECT

◆ VARATT_IS_EXTERNAL_NON_EXPANDED

◆ VARATT_IS_EXTERNAL_ONDISK

◆ VARATT_IS_SHORT

◆ VARATT_NOT_PAD_BYTE

◆ VARATT_SHORT_MAX

◆ VARDATA

◆ VARDATA_1B

◆ VARDATA_1B_E

◆ VARDATA_4B

◆ VARDATA_4B_C

◆ VARDATA_ANY